* COPYING: New file.

	* src/pack-boxedsdf/pack-boxedsdf.str,
	* src/boxedsdf-merge/boxedsdf-merge.str,
	* src/pp/pp-boxedsdf.str,
	* src/parser/parse-boxedsdf.str,
	* src/boxed2sdf/boxed2sdf.str,
	* src/boxed2pp-table/boxed2pp-table.str:
	Licensing information added in the headers comments.

	* lib/sdf-2.1/sdf.def: New file.
	* lib/sdf-2.1/Makefile.am: Do not use GB anymore.

	* README, INSTALL: Corrections.

	* autogen.sh: Moved to bootstrap (with some modifications).